87902646 has 24 divisors (see below), whose sum is σ = 190371240. Its totient is φ = 27046656.

The previous prime is 87902641. The next prime is 87902671. The reversal of 87902646 is 64620978.

It is a junction number, because it is equal to n+sod(n) for n = 87902598 and 87902607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87902641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42331 + ... + 44358.

It is an arithmetic number, because the mean of its divisors is an integer number (7932135).

Almost surely, 2^87902646 is an apocalyptic number.

87902646 is an abundant number, since it is smaller than the sum of its proper divisors (102468594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87902646 is a wasteful number, since it uses less digits than its factorization.

87902646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86720 (or 86707 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 87902646 is about 9375.6410980796. The cubic root of 87902646 is about 444.6319323188.

The spelling of 87902646 in words is "eighty-seven million, nine hundred two thousand, six hundred forty-six".